Homeβ€Ί HVAC > Electrical Connectorsβ€Ί Standard Ignition S-1591 HVAC Blower Motor Connector - Front
Part #: S-1591

Standard Ignition S-1591 HVAC Blower Motor Connector - Front

Front
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πŸš—Fitment: Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, and Oldsmobile, Allure, LaCrosse, Enclave, Escalade, Escalade ESV, Escalade EXT, Avalanche, Impala, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe, Uplander, Acadia, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500, Grand Prix, Montana, Outlook, Rendezvous, Terraza, DTS, Monte Carlo, Silverado 1500 HD Classic, Silverado 3500, Sierra 1500 HD Classic, Sierra 3500 Classic, Relay, Rainier, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, Sierra 1500 HD, Sierra 3500, Century, Venture, Silhouette, Silverado 2500, Sierra 2500, C2500, C3500, K2500, K3500, Park Avenue, Trans Sport, Roadmaster, and Caprice
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Overview of Standard Ignition HVAC Blower Motor Connector S-1591

The Standard Ignition HVAC Blower Motor Connector S-1591 is designed to provide reliable electrical connections for HVAC blower motors in select GM and other vehicle models. This male connector with female blade terminals ensures secure and efficient power delivery to your vehicle's blower motor system.

  • Connector Gender: Male
  • Terminal Gender: Female blade terminals
  • Terminal Quantity: 2
  • Wire Quantity: 2
  • Includes butt splices for easy wiring
  • Connector Quantity: 1

Detailed Product Description

The Standard Ignition S-1591 HVAC Blower Motor Connector is engineered to meet the electrical connection needs of HVAC blower motors in a variety of vehicles including Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Saab, and Saturn models. Featuring two female blade terminals and two wires, this male connector is designed for durability and consistent performance. The included butt splices facilitate straightforward installation and secure wire connections, reducing the risk of electrical faults in the blower motor circuit.

Compatible Vehicles and Applications

This connector is compatible with numerous models such as the Chevrolet Avalanche, Silverado 1500, Suburban 1500, Tahoe, and Yukon, as well as the GMC Sierra 1500, Envoy, and Canyon. It also fits Buick LaCrosse and Regal, Cadillac Escalade and DTS, Pontiac Grand Prix, and Saturn Vue among others. The S-1591 part number is specifically suited for HVAC blower motor electrical connections in these vehicles, ensuring proper fit and function.

Common Issues Addressed by This Connector

  • Intermittent blower motor operation due to faulty connections
  • Blower motor failure caused by damaged or corroded terminals
  • Electrical shorts or open circuits in HVAC wiring harness
  • Loose or broken connector housing affecting blower motor power
  • Difficulty in splicing or repairing HVAC blower motor wiring

Installation Notes and Tips

  • Ensure the vehicle ignition is off before beginning installation
  • Use the included butt splices to securely join wires, preventing loose connections
  • Verify terminal orientation matches the blower motor wiring harness
  • Inspect existing wiring for damage before connecting the new connector
  • Test blower motor operation after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The S-1591 HVAC Blower Motor Connector undergoes quality control testing to ensure reliable electrical performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in material and workmanship to support long-term durability.

BrandStandard Ignition
Part NumberS-1591
Connector GenderMale
ContentsIncludes Butt Splices
Terminal GenderFemale
Terminal TypeBlade Terminals

This part fits 324 vehicles. Search below:

YearMakeModelPositionNotes
2016ChevroletImpala LimitedN/AMultiple Connectors Required
2015ChevroletImpala LimitedN/AMultiple Connectors Required
2014ChevroletImpala LimitedN/AMultiple Connectors Required
2013ChevroletImpalaN/AMultiple Connectors Required
2012ChevroletImpalaN/AMultiple Connectors Required
2011ChevroletExpress 1500N/A
2011ChevroletExpress 2500N/A
2011ChevroletExpress 3500N/A
2011ChevroletImpalaN/AMultiple Connectors Required
2011GMCSavana 1500N/A
2011GMCSavana 2500N/A
2011GMCSavana 3500N/A
2010ChevroletImpalaN/AMultiple Connectors Required
2009BuickAllureN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2009BuickLaCrosseN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2009ChevroletImpalaN/AMultiple Connectors Required
2009ChevroletTrailblazerN/AMultiple Connectors Required
2009ChevroletUplanderN/A
2009GMCEnvoyFrontMultiple Connectors Required
2009PontiacMontanaN/A
2009Saab9-7xFrontMultiple Connectors Required
2008BuickAllureN/A
2008BuickAllureN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2008BuickEnclaveN/A
2008BuickLaCrosseN/A
2008BuickLaCrosseN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2008CadillacEscaladeN/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008ChevroletAvalancheN/A
2008ChevroletImpalaN/A
2008ChevroletSilverado 1500N/A
2008ChevroletSilverado 2500 HDN/A
2008ChevroletSilverado 3500 HDN/A
2008ChevroletSuburban 1500N/A
2008ChevroletSuburban 2500N/A
2008ChevroletTahoeN/A
2008ChevroletTrailblazerN/AMultiple Connectors Required
2008ChevroletUplanderN/A
2008GMCAcadiaN/A
2008GMCEnvoyFrontMultiple Connectors Required
2008GMCSierra 1500N/A
2008GMCSierra 2500 HDN/A
2008GMCSierra 3500 HDN/A
2008GMCYukonN/A
2008GMCYukon XL 1500N/A
2008GMCYukon XL 2500N/A
2008IsuzuAscenderFrontMultiple Connectors Required
2008PontiacGrand PrixN/A
2008PontiacMontanaN/A
2008Saab9-7xFrontMultiple Connectors Required
2008SaturnOutlookN/A
2007BuickAllureN/A
2007BuickAllureN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2007BuickLaCrosseN/A
2007BuickLaCrosseN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2007BuickRainierN/AMultiple Connectors Required
2007BuickRendezvousN/A
2007BuickTerrazaN/A
2007CadillacDTSN/A
2007CadillacEscaladeN/A
2007CadillacEscalade ESVN/A
2007CadillacEscalade EXTN/A
2007ChevroletAvalancheN/A
2007ChevroletCheyenneFrontMultiple Connectors Required
2007ChevroletImpalaN/A
2007ChevroletMonte CarloN/A
2007ChevroletSilverado 1500N/A
2007ChevroletSilverado 1500 ClassicN/AMultiple Connectors Required
2007ChevroletSilverado 1500 HD ClassicN/A
2007ChevroletSilverado 2500N/AMultiple Connectors Required
2007ChevroletSilverado 2500 HDN/A
2007ChevroletSilverado 2500 HD ClassicN/AMultiple Connectors Required
2007ChevroletSilverado 3500N/A
2007ChevroletSilverado 3500 ClassicN/AMultiple Connectors Required
2007ChevroletSilverado 3500 HDN/A
2007ChevroletSuburban 1500N/A
2007ChevroletSuburban 2500N/A
2007ChevroletTahoeN/A
2007ChevroletTrailblazerN/AMultiple Connectors Required
2007ChevroletUplanderN/A
2007GMCEnvoyFrontMultiple Connectors Required
2007GMCSierraN/AMultiple Connectors Required
2007GMCSierra 1500N/A
2007GMCSierra 1500 ClassicN/AMultiple Connectors Required
2007GMCSierra 1500 HD ClassicN/A
2007GMCSierra 2500 HDN/A
2007GMCSierra 2500 HD ClassicN/AMultiple Connectors Required
2007GMCSierra 3500 ClassicN/A
2007GMCSierra 3500 HDN/A
2007GMCYukonN/A
2007GMCYukon XL 1500N/A
2007GMCYukon XL 2500N/A
2007IsuzuAscenderFrontMultiple Connectors Required
2007PontiacGrand PrixN/A
2007PontiacMontanaN/A
2007Saab9-7xFrontMultiple Connectors Required
2007SaturnRelayN/A
2006BuickAllureN/A
2006BuickAllureN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2006BuickLaCrosseN/A
2006BuickLaCrosseN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2006BuickRainierN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2006BuickRendezvousN/A
2006BuickTerrazaN/A
2006CadillacDTSN/A
2006CadillacEscaladeN/A
2006CadillacEscaladeFrontw/ Auto. AC; Multiple Connectors Required; 2 Term.
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletAvalanche 2500N/A
2006ChevroletImpalaN/A
2006ChevroletMonte CarloN/A
2006ChevroletSilverado 1500N/A
2006ChevroletSilverado 1500 HDN/A
2006ChevroletSilverado 2500N/AMultiple Connectors Required
2006ChevroletSilverado 2500 HDN/A
2006ChevroletSilverado 3500N/A
2006ChevroletSSRN/AMultiple Connectors Required
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006ChevroletTrailblazerFrontMultiple Connectors Required
2006ChevroletTrailblazer EXTN/AMultiple Connectors Required
2006ChevroletUplanderN/A
2006GMCEnvoyFrontMultiple Connectors Required
2006GMCEnvoy XLFrontMultiple Connectors Required
2006GMCSierra 1500N/A
2006GMCSierra 1500 HDN/A
2006GMCSierra 2500 HDN/A
2006GMCSierra 3500N/A
2006GMCYukonN/A
2006GMCYukon XL 1500N/A
2006GMCYukon XL 2500N/A
2006IsuzuAscenderFrontMultiple Connectors Required
2006PontiacGrand PrixN/A
2006PontiacMontanaN/A
2006Saab9-7xFrontMultiple Connectors Required
2006SaturnRelayN/A
2005BuickAllureN/A
2005BuickAllureN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2005BuickCenturyN/A
2005BuickCenturyN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2005BuickLaCrosseN/A
2005BuickLaCrosseN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2005BuickRainierN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2005BuickTerrazaN/A
2005CadillacEscaladeFrontw/ Auto. AC; Multiple Connectors Required; 2 Term.
2005CadillacEscalade ESVN/AMultiple Connectors Required
2005CadillacEscalade EXTN/AMultiple Connectors Required
2005ChevroletAvalanche 1500FrontMultiple Connectors Required
2005ChevroletAvalanche 2500FrontMultiple Connectors Required
2005ChevroletImpalaN/A
2005ChevroletMonte CarloN/A
2005ChevroletSilverado 1500N/AMultiple Connectors Required
2005ChevroletSilverado 1500 HDN/AMultiple Connectors Required
2005ChevroletSilverado 2500N/AMultiple Connectors Required
2005ChevroletSilverado 2500 HDN/AMultiple Connectors Required
2005ChevroletSilverado 3500N/AMultiple Connectors Required
2005ChevroletSSRN/AMultiple Connectors Required
2005ChevroletSuburban 1500N/AMultiple Connectors Required
2005ChevroletSuburban 2500N/AMultiple Connectors Required
2005ChevroletTahoeFrontMultiple Connectors Required
2005ChevroletTrailblazerFrontMultiple Connectors Required
2005ChevroletTrailblazer EXTN/AMultiple Connectors Required
2005ChevroletUplanderN/A
2005GMCEnvoyFrontMultiple Connectors Required
2005GMCEnvoy XLFrontMultiple Connectors Required
2005GMCEnvoy XUVFrontMultiple Connectors Required
2005GMCSierra 1500N/AMultiple Connectors Required
2005GMCSierra 1500 HDN/AMultiple Connectors Required
2005GMCSierra 2500 HDN/AMultiple Connectors Required
2005GMCSierra 3500N/AMultiple Connectors Required
2005GMCYukonFrontMultiple Connectors Required
2005GMCYukon XL 1500N/AMultiple Connectors Required
2005GMCYukon XL 2500FrontMultiple Connectors Required
2005IsuzuAscenderFrontMultiple Connectors Required
2005PontiacGrand PrixN/A
2005PontiacMontanaN/A
2005Saab9-7xFrontMultiple Connectors Required
2005SaturnRelayN/A
2004BuickRainierN/Aw/ Auto. Temp Control; Multiple Connectors Required; 2 Term.
2004CadillacEscaladeFrontw/ Auto. AC; Multiple Connectors Required; 2 Term.
2004CadillacEscalade ESVN/AMultiple Connectors Required
2004CadillacEscalade EXTN/AMultiple Connectors Required
2004ChevroletAvalanche 1500FrontMultiple Connectors Required
2004ChevroletAvalanche 2500FrontMultiple Connectors Required
2004ChevroletImpalaN/A
2004ChevroletMonte CarloN/A
2004ChevroletSilverado 1500N/AMultiple Connectors Required
2004ChevroletSilverado 2500N/AMultiple Connectors Required
2004ChevroletSilverado 2500 HDN/AMultiple Connectors Required
2004ChevroletSilverado 3500N/AMultiple Connectors Required
2004ChevroletSSRN/AMultiple Connectors Required
2004ChevroletSuburban 1500N/AMultiple Connectors Required
2004ChevroletSuburban 2500N/AMultiple Connectors Required
2004ChevroletTahoeFrontMultiple Connectors Required
2004ChevroletTrailblazerFrontMultiple Connectors Required
2004ChevroletTrailblazer EXTN/AMultiple Connectors Required
2004GMCEnvoyFrontMultiple Connectors Required
2004GMCEnvoy XLFrontMultiple Connectors Required
2004GMCEnvoy XUVFrontMultiple Connectors Required
2004GMCSierra 1500N/AMultiple Connectors Required
2004GMCSierra 2500N/AMultiple Connectors Required
2004GMCSierra 2500 HDN/AMultiple Connectors Required
2004GMCSierra 3500N/AMultiple Connectors Required
2004GMCYukonFrontMultiple Connectors Required
2004GMCYukon XL 1500N/AMultiple Connectors Required
2004GMCYukon XL 2500FrontMultiple Connectors Required
2004IsuzuAscenderFrontMultiple Connectors Required
2004OldsmobileBravadaFrontMultiple Connectors Required
2004OldsmobileSilhouetteN/A
2004PontiacGrand PrixN/A
2004PontiacMontanaN/A
2003BuickCenturyN/A
2003BuickRegalN/A
2003CadillacEscaladeFrontw/ Auto. AC; Multiple Connectors Required; 2 Term.
2003CadillacEscalade ESVN/AMultiple Connectors Required
2003CadillacEscalade EXTN/AMultiple Connectors Required
2003ChevroletAvalanche 1500FrontMultiple Connectors Required
2003ChevroletAvalanche 2500FrontMultiple Connectors Required
2003ChevroletImpalaN/AMultiple Connectors Required
2003ChevroletMonte CarloN/AMultiple Connectors Required
2003ChevroletSilverado 1500N/AMultiple Connectors Required
2003ChevroletSilverado 1500 HDN/AMultiple Connectors Required
2003ChevroletSilverado 2500N/AMultiple Connectors Required
2003ChevroletSilverado 2500 HDN/AMultiple Connectors Required
2003ChevroletSilverado 3500N/AMultiple Connectors Required
2003ChevroletSSRN/AMultiple Connectors Required
2003ChevroletSuburban 1500N/AMultiple Connectors Required
2003ChevroletSuburban 2500N/AMultiple Connectors Required
2003ChevroletTahoeFrontw/ Auto. AC; Multiple Connectors Required; 2 Term.
2003ChevroletTrailblazerFrontMultiple Connectors Required
2003ChevroletTrailblazer EXTN/AMultiple Connectors Required
2003GMCEnvoyFrontMultiple Connectors Required
2003GMCEnvoy XLFrontMultiple Connectors Required
2003GMCSierra 1500N/AMultiple Connectors Required
2003GMCSierra 1500 HDN/AMultiple Connectors Required
2003GMCSierra 2500N/AMultiple Connectors Required
2003GMCSierra 2500 HDN/AMultiple Connectors Required
2003GMCSierra 3500N/AMultiple Connectors Required
2003GMCYukonFrontMultiple Connectors Required
2003GMCYukon XL 1500N/AMultiple Connectors Required
2003GMCYukon XL 2500FrontMultiple Connectors Required
2003IsuzuAscenderFrontMultiple Connectors Required
2003OldsmobileBravadaFrontMultiple Connectors Required
2003OldsmobileSilhouetteN/A
2003PontiacMontanaN/A
2002BuickCenturyN/A
2002BuickRegalN/A
2002ChevroletImpalaN/AMultiple Connectors Required
2002ChevroletMonte CarloN/AMultiple Connectors Required
2002ChevroletSilverado 1500N/A
2002ChevroletSilverado 1500 HDN/A
2002ChevroletSilverado 2500N/A
2002ChevroletSilverado 2500 HDN/A
2002ChevroletSilverado 3500N/A
2002ChevroletSuburban 1500N/AMultiple Connectors Required
2002ChevroletSuburban 2500N/AMultiple Connectors Required
2002ChevroletTahoeN/A
2002GMCSierra 1500N/A
2002GMCSierra 1500 HDN/A
2002GMCSierra 2500N/A
2002GMCSierra 2500 HDN/A
2002GMCSierra 3500N/A
2002GMCYukonN/A
2002OldsmobileSilhouetteN/A
2002PontiacMontanaN/A
2001ChevroletImpalaN/AMultiple Connectors Required
2001ChevroletLuminaN/AMultiple Connectors Required
2001ChevroletMonte CarloN/AMultiple Connectors Required
2001ChevroletSilverado 1500N/A
2001ChevroletSilverado 1500 HDN/A
2001ChevroletSilverado 2500N/A
2001ChevroletSilverado 2500 HDN/A
2001ChevroletSilverado 3500N/A
2001ChevroletSuburban 2500N/AMultiple Connectors Required
2001ChevroletTahoeN/A
2001GMCSierra 1500N/A
2001GMCSierra 1500 HDN/A
2001GMCSierra 2500N/A
2001GMCSierra 2500 HDN/A
2001GMCSierra 3500N/A
2001OldsmobileSilhouetteN/A
2001PontiacMontanaN/A
2000CadillacEscaladeN/A
2000ChevroletC2500N/A
2000ChevroletC3500N/A
2000ChevroletImpalaN/AMultiple Connectors Required
2000ChevroletK2500N/A
2000ChevroletK3500N/A
2000ChevroletLuminaN/AMultiple Connectors Required
2000ChevroletMonte CarloN/AMultiple Connectors Required
2000ChevroletSilverado 1500N/A
2000ChevroletSilverado 2500N/A
2000ChevroletSuburban 1500N/A
2000ChevroletSuburban 2500N/A
2000ChevroletTahoeN/A
2000GMCC2500N/A
2000GMCC3500N/A
2000GMCK2500N/A
2000GMCK3500N/A
2000GMCSierra 1500N/A
2000GMCSierra 2500N/A
2000GMCYukonN/A
2000GMCYukon XL 1500N/A
2000GMCYukon XL 2500N/A
1999BuickPark AvenueN/A
1999ChevroletSilverado 1500N/AMultiple Connectors Required
1999GMCSierra 1500N/AMultiple Connectors Required
1999OldsmobileSilhouetteN/A
1999PontiacTrans SportN/A
1998BuickPark AvenueN/A
1998OldsmobileSilhouetteN/A
1998PontiacTrans SportN/A
1997BuickPark AvenueN/A
1997OldsmobileSilhouetteN/A
1997PontiacTrans SportN/A
1994BuickRoadmasterN/A
1994ChevroletCapriceN/A
1994ChevroletImpalaN/A
1993BuickRoadmasterN/A
1993ChevroletCapriceN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

121264611P157657-5357944EC1088PT1089PTA1056

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.